<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>盒子模型之外边距margin</title>
    <style>
      div {
        width: 200px;
        height: 200px;
        background-color: pink;
      }
      /* .one {
          margin-bottom: 20px;
      } */
      .two {
        /* margin-top: 20px; */
        /* 外边距与内边距的复合写法完全一致 */
        /* margin: 30px; */
        margin: 30px 50px;
      }
    </style>
  </head>
  <body>
    <div class="one">1</div>
    <div class="two">2</div>
  </body>
</html>
